Works (40)

2007 journal article

Room temperature ferromagnetism and magnetotransport properties of the layered manganite system La1.2Ba1.8Mn2-xRuxO7 (0 <= x <= 1-0)

SOLID STATE COMMUNICATIONS, 142(9), 519–524.

By: N. Sudhakar, K. Rajeev*, A. Tiwari & J. Narayan

author keywords: manganites; spin glasses; colossal magnetoresistance; magnetization curves
Sources: Web Of Science, ORCID
Added: August 6, 2018

2006 article

Co-doped ZnO dilute magnetic semiconductor

Prater, J. T., Ramachandran, S., Tiwari, A., & Narayan, J. (2006, May). JOURNAL OF ELECTRONIC MATERIALS, Vol. 35, pp. 852–856.

By: J. Prater*, S. Ramachandran, A. Tiwari & J. Narayan

author keywords: dilute magnetic semiconductor; co-doped ZnO; oxygen annealing; magnetic hysteresis
Sources: Web Of Science, ORCID
Added: August 6, 2018

2006 journal article

Electrical properties of transparent and conducting Ga doped ZnO

Journal of Applied Physics, 100(3).

By: V. Bhosle, A. Tiwari & J. Narayan

Source: NC State University Libraries
Added: August 6, 2018

2006 article

Epitaxial ZnO/Pt layered structures and ZnO-Pt nanodot composites on sapphire (0001)

Chugh, A., Ramachandran, S., Tiwari, A., & Narayan, J. (2006, May). JOURNAL OF ELECTRONIC MATERIALS, Vol. 35, pp. 840–845.

By: A. Chugh, S. Ramachandran, A. Tiwari & J. Narayan

author keywords: domain matching epitaxy; ZnO; Pt; nanodot composites
Sources: Web Of Science, ORCID
Added: August 6, 2018

2006 journal article

Ferromagnetism in Co doped CeO2: Observation of a giant magnetic moment with a high Curie temperature

Applied Physics Letters, 88(14).

By: A. Tiwari, V. Bhosle, S. Ramachandran, N. Sudhakar, J. Narayan, S. Budak, A. Gupta

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Growth and observation of low-field giant magnetoresistance in La0.7Sr0.3MnO3/ZnO superlattice structures

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 6(3), 612–617.

By: A. Tiwari & J. Narayan

author keywords: giant magnetoresistance; superlattices; pulsed laser deposition; interlayer; exchange coupling
Sources: Web Of Science, ORCID
Added: August 6, 2018

2006 journal article

Growth of highly conducting epitaxial ZnO-Pt-ZnO heterostructure on alpha-Al2O3 (0001)

JOURNAL OF CRYSTAL GROWTH, 291(1), 212–217.

By: S. Ramachandran, A. Chugh, A. Tiwari & J. Narayan

author keywords: heterostructures; surface sructure; X-ray diffraction; pulsed laser deposition technique; ZnO-Pt-ZnO
Sources: Web Of Science, ORCID
Added: August 6, 2018

2006 journal article

Metallic conductivity and metal-semiconductor transition in Ga-doped ZnO

Applied Physics Letters, 88(3).

By: V. Bhosle, A. Tiwari & J. Narayan

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Methods for processing tantalum films of controlled microstructures and properties

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, 24(5), 1948–1954.

By: J. Narayan, V. Bhosle, A. Tiwari, A. Gupta, P. Kumar & R. Wu*

Sources: Web Of Science, ORCID
Added: August 6, 2018

2006 patent

Methods of forming three-dimensional nanodot arrays in a matrix

Washington, DC: U.S. Patent and Trademark Office.

By: J. Narayan & A. Tiwari

Source: NC State University Libraries
Added: August 6, 2018

2005 article

Electrical transport in ZnO(1-delta)films: Transition from band-gap insulator to Anderson localized insulator (vol 96, pg 3827, 2004)

Journal of Applied Physics, Vol. 97.

By: A. Tiwari, C. Jin, J. Narayan & M. Park

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Epitaxial growth and properties of MoOx(2 < x < 2.75) films

Epitaxial growth and properties of MoOx(2 < x < 2.75) films. Journal of Applied Physics, 97(8).

By: V. Bhosle, A. Tiwari & J. Narayan

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Epitaxial growth and properties of Zn1-xVxO diluted magnetic semiconductor thin films

Applied Physics Letters, 87(17).

By: S. Ramachandran, A. Tiwari, J. Narayan & J. Prater

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Epitaxial growth of zinc oxide thin films on silicon

Materials Science and Engineering: B, 117(3), 348–354.

By: C. Jin*, R. Narayan, A. Tiwari, H. Zhou, A. Kvit & J. Narayan n

author keywords: Pulsed laser deposition; epitaxy of thin films; zinc oxide
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2005 journal article

Ultraviolet-illumination-enhanced photoluminescence effect in zinc oxide thin films

JOURNAL OF APPLIED PHYSICS, 98(8).

By: C. Jin, A. Tiwari & R. Narayan

Source: Web Of Science
Added: August 6, 2018

2004 journal article

Electrical transport in ZnO1-delta films: Transition from band-gap insulator to Anderson localized insulator

JOURNAL OF APPLIED PHYSICS, 96(7), 3827–3830.

By: A. Tiwari, C. Jin, J. Narayan & M. Park

Sources: Web Of Science, ORCID
Added: August 6, 2018

2004 journal article

Growth of single-phase c-axis aligned La1.2Ca1.8Mn2O7 films on SrTiO3(001)

SOLID STATE COMMUNICATIONS, 132(12), 863–866.

author keywords: thin films; giant magnetoresistance
Sources: Web Of Science, ORCID
Added: August 6, 2018

2004 journal article

Novel methods of forming self-assembled nanostructured materials: Ni nanodots in Al2O3 and TiN matrices

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 4(7), 726–732.

By: J. Narayan & A. Tiwari

author keywords: nickel nanodots; self-assembed nanomaterials; TEM; magnetic properties
Sources: Web Of Science, ORCID
Added: August 6, 2018

2004 article

Origin of room-temperature ferromagnetism in cobalt-doped ZnO

Ramachandran, S., Tiwari, A., & Narayan, J. (2004, November). JOURNAL OF ELECTRONIC MATERIALS, Vol. 33, pp. 1298–1302.

By: S. Ramachandran, A. Tiwari & J. Narayan

author keywords: ZnO; Co; ferromagnetism; pulsed laser deposition
Sources: Web Of Science, ORCID
Added: August 6, 2018

2004 journal article

Pulsed laser deposition assisted novel synthesis of self-assembled magnetic nanoparticles

COMPOSITES PART B-ENGINEERING, 35(2), 149–155.

By: D. Kumar*, S. Yarmolenko*, J. Sarkar, J. Narayan, H. Zhou & A. Tiwari

author keywords: nanocrystalline materials; pusled laser deposition; blocking temperature
Sources: Web Of Science, ORCID
Added: August 6, 2018

2004 article

Special issue on nanostructured magnetic materials: Recent progress in magnetic nanostructures - Foreword

Tiwari, A. (2004, November). JOURNAL OF ELECTRONIC MATERIALS, Vol. 33, pp. 1253–1253.

By: A. Tiwari

Source: Web Of Science
Added: August 6, 2018

2004 journal article

TaN-TiN binary alloys and superlattices as diffusion barriers for copper interconnections

Journal of Electronic Materials, 33(1), L5–L5.

By: H. Wang, A. Gupta, A. Tiwari, X. Zhang & J. Narayan

Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2004 journal article

Zn0.9Co0.1O-based diluted magnetic semiconducting thin films

APPLIED PHYSICS LETTERS, 84(25), 5255–5257.

By: S. Ramachandran, A. Tiwari & J. Narayan

Sources: Web Of Science, ORCID
Added: August 6, 2018

2003 journal article

A novel technique for making self-encapsulated and self-aligned copper films

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 103(1), 45–48.

By: A. Chugh, A. Tiwari, A. Kvit & J. Narayan

author keywords: pulsed laser ablation; self-aligned passivated contacts; domain matching epitaxy; transmission electron microscopy; annealing
Sources: Web Of Science, ORCID
Added: August 6, 2018

2003 journal article

Formation of self-assembled epitaxial nickel nanostructures

JOURNAL OF APPLIED PHYSICS, 94(8), 4841–4846.

By: H. Zhou, D. Kumar n, A. Kvit, A. Tiwari & J. Narayan

Sources: Web Of Science, ORCID
Added: August 6, 2018

2003 journal article

Growth and characteristics of TaN/TiN superlattice structures

APPLIED PHYSICS LETTERS, 83(15), 3072–3074.

By: H. Wang, X. Zhang, A. Gupta, A. Tiwari & J. Narayan

Sources: Web Of Science, ORCID
Added: August 6, 2018

2003 journal article

Rectifying electrical characteristics of La0.7Sr0.3MnO3/ZnO heterostructure

APPLIED PHYSICS LETTERS, 83(9), 1773–1775.

By: A. Tiwari, C. Jin, D. Kumar n & J. Narayan

Sources: Web Of Science, ORCID
Added: August 6, 2018

2003 journal article

Role of self-assembled gold nanodots in improving the electrical and optical characteristics of zinc oxide films

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 3(5), 368–371.

By: A. Tiwari, A. Chugh, C. Jin & J. Narayan

author keywords: ZnO; gold nanodots; plasmon resonance; photoluminescence; green band emission; pulsed laser deposition
Sources: Web Of Science, ORCID
Added: August 6, 2018

2003 journal article

Role of silver addition in the synthesis of high critical current density MgB2 bulk superconductors

SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 16(4), 455–458.

By: D. Kumar*, S. Pennycook*, J. Narayan, H. Wang & A. Tiwari

Sources: Web Of Science, ORCID
Added: August 6, 2018

2003 article

TaN-TiN binary alloys and superlattices as diffusion barriers for copper interconnects

Wang, H., Gupta, A., Tiwari, A., Zhang, X., & Narayan, J. (2003, October). JOURNAL OF ELECTRONIC MATERIALS, Vol. 32, pp. 994–999.

By: H. Wang, A. Gupta, A. Tiwari, X. Zhang & J. Narayan

author keywords: TaN; TiN; superlattice; alloy; Cu diffusion barrier
Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

Copper diffusion characteristics in single-crystal and polycrystalline TaN

APPLIED PHYSICS LETTERS, 81(8), 1453–1455.

By: H. Wang, A. Tiwari, X. Zhang, A. Kvit & J. Narayan

Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

Epitaxial growth of TaN thin films on Si(100) and Si(111) using a TiN buffer layer

APPLIED PHYSICS LETTERS, 80(13), 2323–2325.

By: H. Wang, A. Tiwari, A. Kvit, X. Zhang & J. Narayan

Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

Epitaxial growth of ZnO films on si(111)

JOURNAL OF MATERIALS RESEARCH, 17(10), 2480–2483.

By: A. Tiwari, M. Park, C. Jin, H. Wang, D. Kumar n & J. Narayan

Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

Growth of epitaxial NdNiO3 and integration with Si(100)

APPLIED PHYSICS LETTERS, 80(8), 1337–1339.

By: A. Tiwari, J. Narayan, C. Jin & A. Kvit

Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

Integration of single crystal La0.7Sr0.3MnO3 films with Si(001)

SOLID STATE COMMUNICATIONS, 121(12), 679–682.

By: A. Tiwari, A. Chug n, C. Jin, D. Kumar n & J. Narayan

author keywords: thin films; laser processing; epitaxy; scanning and transmission electron microscopy; electron-electron interactions
Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

Low temperature electrical transport in La1-xNdxNiO3-delta

Solid State Communications, 121(6-7), 357–361.

By: A. Tiwari, K. Rajeev* & J. Narayan n

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2002 journal article

Strain-induced tuning of metal-insulator transition in NdNiO3

APPLIED PHYSICS LETTERS, 80(21), 4039–4041.

By: A. Tiwari, C. Jin & J. Narayan

Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

Structural, optical and magnetic properties of diluted magnetic semiconducting Zn1-xMnxO films

SOLID STATE COMMUNICATIONS, 121(6-7), 371–374.

By: A. Tiwari, C. Jin, A. Kvit, D. Kumar*, J. Muth & J. Narayan

author keywords: thin films; laser processing; epitaxy; X-ray scattering; optical properties
Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

Synthesis and atomic-level characterization of Ni nanoparticles in Al2O3 matrix

APPLIED PHYSICS LETTERS, 81(22), 4204–4206.

By: D. Kumar*, S. Pennycook*, A. Lupini*, G. Duscher, A. Tiwari & J. Narayan

Sources: Web Of Science, ORCID
Added: August 6, 2018

2002 journal article

Weak-localization effect in single crystal TaN(001) films

MODERN PHYSICS LETTERS B, 16(28-29), 1143–1149.

By: A. Tiwari, H. Wang, D. Kumar n & J. Narayan

author keywords: correlated electronic system; weak localization; electron-electron interaction; metal-insulator transition
Sources: Web Of Science, ORCID
Added: August 6, 2018